比较级课上用.ppt

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1、LiuXiangistall.PanChangjiangisshort.LiuXiangistallerthanPanChangjiang.ComparepeopleThepurplerulerislong.Thebluerulerisshort.Thepurplerulerislongerthantheblueruler.LinXinruisthin.LiuYifeiisthinner.LiuYifeiisthinnerthanLinXinru.45kg48kgTheredboxisbig.Thegr

2、eenboxissmall.Theredboxisbiggerthanthegreenbox.形容词和副词的比较级含义大多数形容词和副词有三个等级：原级、比较级和最高级。其中比较级表示“更……”,用于两者（人或事物）之间的比较，说明“前者比后者更……”,比较级的句子中常含有than.构成（一）规则变化1，单音节和部分双音节形容词或副词一般在词尾加-er。smart--smarterfast--fasterhigh--highersmall--smaller2.以不发音的字母e结尾的,直接加-r.nice

3、--nicerfine--finer3.以“辅音字母＋ｙ结尾的”，把ｙ变ｉ，再加-er。early--earlierhappy--happiereasy--easierheavy--heavier4.以重读闭音节结尾的单词，如果末尾只有一个辅音字母，先双写这个字母，再加-erbig--biggerthin--thinnerhot--hotter5,多音节和部分双音节形容词或副词在原级前加more。popular--morepopulardifficult--moredifficultbeautiful-

4、-morebeautiful6，由“动词+后缀-ing/-ed”构成的形容词，在词前加more.interesting--moreinterestingexciting--moreexcitingbored--moreboredrelaxed--morerelaxed7.由形容词+后缀-ly构成的副词在该副词前加more.slowly--moreslowlyhappily--morehappilydifferently--moredifferently(二)不规则变化good/well–better–b

5、estbad/badly–worse–worstmany/much–more–mostlittle–less–leastfar–farther/further–farthest/furthest1.构成的不规则变化:e.g.good/well–better–bestbad/badly–worse–worstmany/much–more–mostlittle–less–leastfar–farther/further–farthest/furthestExercises写出下列单词的比较级。funnyqu

6、ietserioussmartoutgoingquicklyfunnierquietermoreserioussmartermoreoutgoingmorequicklytallnicebigfunnyoutgoingoldoldertallernicerbiggerfunniermoreoutgoinglateexpensivethinsmarthighfatinterestingmoreinterestinglatermoreexpensivethinnersmarterhigherfatter用法

7、1形容词或副词的比较级常用于两者间比较，表示两者之间的差异，构成为eg.Hispenisbiggerthanmine.Thissweateristoobig.Doyouhaveasmallerone?Hejumpedhigherthanyou.1.A+be+形容词比较级+than+B2.A+实义动词+副词比较级+than+BtalltallerMr.YaoistallerthanMr.Yi.Mr.Yiis___________thanMr.Yao.shorter更高的Mr.Yiistall.姚比易更高。

8、易比姚更矮。Look&sayheavyheavierMissBlackMiss.Blackis__________________________.heavierthanMiss.HanMiss.Hanisheavy.Mrs.Smith80yearsoldMr.Smith78yearsoldMrs.Smithis______thanMr.Smith.Mr.Smithis___________thanMrs.Smith.youngerMr.S